The generator matrix

 1  0  1  1  1  1  1  1  6  1  1  1  1  1  1  1 2X+6  1  1  1  1  1 X+6
 0  1  1  8  6  5  0 2X+1  1  4 X+6  1 X+8 2X+5 2X 2X+8  1 X+5 2X X+1 X+8 X+6  1
 0  0 2X  3 X+3 X+6 2X+3  X  X 2X+6 2X+3 X+6 X+3 X+3 2X  6 X+3 2X+6  3 2X+3  6  0  0

generates a code of length 23 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+504x^42+486x^43+438x^44+1420x^45+846x^46+852x^47+1474x^48+420x^49+6x^50+54x^51+24x^52+26x^54+6x^55+2x^57+2x^63

The gray image is a code over GF(3) with n=207, k=8 and d=126.
This code was found by Heurico 1.16 in 91.7 seconds.